bird-brain(redirected from a birdbrain)
A person who lacks intelligence or who makes stupid decisions. You're such a bird-brain. I can't believe you got stranded on the highway because you didn't put enough gas in your car!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. n. a stupid-acting person. I’m such a birdbrain. I forgot my driver’s license, officer.
2. and birdbrained mod. stupid. Look, you birdbrained idiot, you are dead wrong!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.